Whether she’s your older sister, a sister-in-law, or your bestie who’s like a sister, there’s a birthday wish here that’s ...

Throughout your life, your sister is by your side, supporting you in the good times and bad. She'll always have your back, and the best sister quotes can spell that love out in a unique way.

These funny, heartfelt, and sentimental birthday wishes go perfectly in a card (especially when paired with a gift for your sister), in an Instagram caption, or even in an early birthday morning text.

Have a fantastic birthday, sis! You mean everything and more! 14. Happy birthday, sister! Thanks for always being the one I can count on for support, love, and a good laugh. I hope I can stand by ...